[LightDM] Autologin (lightdm) questions
Robert Heller
heller at deepsoft.com
Wed Jul 9 15:00:01 UTC 2014
OK, I am attaching both the log and the config file. I have some questions,
but I don't know if it is a LightDM issue or Ubuntu issue.
First some 'historical' background about the system(s) in question.
We have 1 *physical* server (a Dell T20). I install CentOS 6.5 w/KVM (CentOS 6
'native' virtualization) on it. It has three 500gig SATA disks. Two are setup
with RAID 1 (Mirroring) and the third is for backups (contains an Amanda
'virtual tape changer'). I then install Ubuntu 14.04 into a virtual machine
and install DRBL on the Ubuntu VM. The host server (CentOS 6.5) acts as the
LAN DNS server, DHCP server, the NAT/Router, and the LDAP (OpenLDAP)
authentification server. It also is running Postfix as the LAN's mail server /
outbound E-Mail relay (at this point the only local E-Mail is system stuff, eg
root mailing logwatch reports and Amanda mailing backup reports). There are 10
workstations that boot via PXE and use the Ubuntu VM as a tftp server (for the
Ubuntu kernel/initrd), and NFS server for the root (/) and /usr file systems,
using DRBL. I decided to use Ubuntu 14.04 for the workstations because it has
'newer' versions of things like LibrOffice and Firefox, etc. and are generally
more up-to-date in terms of the things most users do.
Now for some questions:
For some reason, *my* username (heller) is treated special -- why is that
and how can I 'fix' it? Other than being the system admin, there should not be
anything 'special' about my username! It should certainly NOT be the appearent
'default' login name! (Yes, when I installed the Ubuntu VM, that is the user
name I used as the initial user name. And this is a most anoying 'feature' of
Ubuntu -- CentOS does not do this!)
The attached log and config file were from a machine that came up like it
wanted to result a session rather than do a cold login.
Oh, in case it matters: the /home directory is NFS mounted, so all of the
workstations have the same /home directory, in case that matters.
Also: when I changed *my* file under /var/lib/AccountServers/users/ to use a
*different* session manager (I personally *hate* Unity), it seemed to affect
other users. Again, it seems Ubuntu is treating *my* username (heller) as
something special. This is something that I need to fix. I would expect a
UNIX system to treat all users more or less *equally*. Why does Ubuntu do this
other thing? It is just plain *wrong*.
At Tue, 8 Jul 2014 13:07:44 +1200 Robert Ancell <robert.ancell at gmail.com> wrote:
>
>
> Hi Robert.
>
> I responded to you on June 29th:
> http://lists.freedesktop.org/archives/lightdm/2014-June/000628.html
>
> To answer your further questions:
> - While many systems are likely only set up with one user set to autologin
> it is not uncommon to have multiple user accounts with and without
> autologin. I do expect this use case to work fine.
> - Unity Greeter (the default greeter used in Ubuntu) does not give visual
> indication of timed logins (https://bugs.launchpad.net/bugs/1121660)
> - The version of LightDM in 14.04 does not support automatic login after a
> session ends (https://launchpad.net/bugs/1302491)
> - Yes, you can use alternative display managers in Ubuntu. For example, GDM.
> - If you think you've found a bug, attach the logs as requested in the
> first reply and file a bug against LightDM (
> https://bugs.launchpad.net/lightdm/+filebug)
>
> --Robert
>
>
> On 8 July 2014 12:47, Robert Heller <heller at deepsoft.com> wrote:
>
> > OK, this question has sat, unanswered for some time now, both on the
> > ubuntu-users list, the lightdm list, on askubuntu forum, and on the
> > unix.stackexchange forum. I guess *no one* has done anything like this.
> > Or
> > is there someplace else I should post this question to? Or is there some
> > other problem? I *think* I have stated the problem completely and
> > carefully
> > -- no one has asked questions about my question, so I *assume* it is
> > understood, but *please* let me know if there is anything unclear.
> >
> > I have another question: How many Ubuntu users have more than one user
> > account
> > set up on their Ubuntu machines? Or are Ubuntu users like MS-Windows and
> > MacOSX users: on any given machine there is only ever one and only one
> > 'user'?
> > A machine with just one user would never have any reason to logout and then
> > login to another user and then logout and login to the original user,
> > either
> > manually or automatically.
> >
> > Am I the *only* one in the entire universe that has set up Ubuntu
> > machine(s)
> > with multiple users? *And* want to use the autologin feature?
> >
> > Or have I hit a bug or misfeature in lightdm that *no one* else has
> > stumbled
> > across? Does it make sense to file a bug report? With lightdm? Or with
> > Ubuntu?
> > Or both? Or is there something I am totally missing here? When I set
> > things up
> > way back when with CentOS 5, using the GDM Greeter, things worked great.
> > The
> > old machines would come up and after thirty seconds would autologin to
> > their
> > proper guest accounts. If one logged out of the guest account, the GDM
> > Greeter
> > would come backup up with 30 second timeout and log back into the guest
> > account, unless you logged into another account and when you logged out of
> > the
> > other account, the GDM Greeter would do its 30 second timeout thing. (And
> > it
> > displayed the remaining seconds left until it autologined. lightdm does not
> > seem to do that. It does (most of the time) auto login the *first time*,
> > but
> > doesn't after a logout. And there seem to be cases where it does not
> > autologin
> > after a reboot (generally when the user does not logout before shutting
> > down
> > the machine).
> >
> > Is there an alternitive to lightdm for Ubuntu 14.04? Is it possible or
> > sensible to *replace* lightdm with a different display manager or a
> > different
> > greeter? *I* am feeling that lightdm's greeter is just plain broken, at
> > least
> > for my situation -- it might be fine for a single user machine or a multi
> > user
> > machine without using the autologin feature, but it appears broken in my
> > context.
> >
> >
> > At Sat, 28 Jun 2014 09:12:06 -0400 Robert Heller <heller at deepsoft.com>
> > wrote:
> >
> > >
> > > I have set up a batch of workstations at a library using DRBL. These
> > > workstations are running Ubuntu 14.04. I want these workstations to
> > autologin
> > > to a specific user (a different one for each workstation, since the
> > /home file
> > > system is NFS mounted). I have a custom copy of
> > /etc/lightdm/lightdm.conf for
> > > each workstation and I have set autologin-user-timeout=30 and
> > > autologin-user=workstationuser (different for each workstation). This
> > mostly
> > > works, but there are some 'weirdnesses' I would like to resolve.
> > >
> > > 1) Doing a Shutdown from the gear menu and then restarting the
> > machine does
> > > not always log the user in. Sometimes it behaves like the user
> > 'locked'
> > > the screen and it is expecting to unlock a running session. I want a
> > > shutdown to imply a full logout (it is too much to ask the library
> > staff
> > > people to logout and then shutdown). Always. These are guest
> > accounts, so
> > > there is never a session to save (screen locking is also disabled).
> > >
> > > 2) Doing a logout from the gear menu brings up the list of all
> > possible
> > > users. This is OK (sometimes someone wants or need to login as a
> > > 'real' user). But if the login screen is left alone and/or after the
> > > 'real' user logs out, it does not automagically re-login to the
> > > autologin-user. What do I need to do to fix this?
> > >
> > > I am not very experienced with Ubuntu -- I am an old hand with CentOS and
> > > RedHat.
> > >
> > > (I asked this question on the AskUbuntu forum over 9 days ago, but got no
> > > responses.)
> > >
> > >
> >
> > --
> > Robert Heller -- 978-544-6933
> > Deepwoods Software -- Custom Software Services
> > http://www.deepsoft.com/ -- Linux Administration Services
> > heller at deepsoft.com -- Webhosting Services
> >
> > _______________________________________________
> > LightDM mailing list
> > LightDM at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/lightdm
> >
>
>
>
--
Robert Heller -- 978-544-6933
Deepwoods Software -- Custom Software Services
http://www.deepsoft.com/ -- Linux Administration Services
heller at deepsoft.com -- Webhosting Services
-------------- next part --------------
#
# General configuration
#
# start-default-seat = True to always start one seat if none are defined in the configuration
# greeter-user = User to run greeter as
# minimum-display-number = Minimum display number to use for X servers
# minimum-vt = First VT to run displays on
# lock-memory = True to prevent memory from being paged to disk
# user-authority-in-system-dir = True if session authority should be in the system location
# guest-account-script = Script to be run to setup guest account
# log-directory = Directory to log information to
# run-directory = Directory to put running state in
# cache-directory = Directory to cache to
# sessions-directory = Directory to find sessions
# remote-sessions-directory = Directory to find remote sessions
# greeters-directory = Directory to find greeters
#
[LightDM]
#start-default-seat=true
#greeter-user=lightdm
#minimum-display-number=0
#minimum-vt=7
#lock-memory=true
#user-authority-in-system-dir=false
#guest-account-script=guest-account
#log-directory=/var/log/lightdm
#run-directory=/var/run/lightdm
#cache-directory=/var/cache/lightdm
#sessions-directory=/usr/share/lightdm/sessions:/usr/share/xsessions
#remote-sessions-directory=/usr/share/lightdm/remote-sessions
#greeters-directory=/usr/share/lightdm/greeters:/usr/share/xgreeters
#
# Seat defaults
#
# type = Seat type (xlocal, xremote)
# xdg-seat = Seat name to set pam_systemd XDG_SEAT variable and name to pass to X server
# xserver-command = X server command to run (can also contain arguments e.g. X -special-option)
# xserver-layout = Layout to pass to X server
# xserver-config = Config file to pass to X server
# xserver-allow-tcp = True if TCP/IP connections are allowed to this X server
# xserver-share = True if the X server is shared for both greeter and session
# xserver-hostname = Hostname of X server (only for type=xremote)
# xserver-display-number = Display number of X server (only for type=xremote)
# xdmcp-manager = XDMCP manager to connect to (implies xserver-allow-tcp=true)
# xdmcp-port = XDMCP UDP/IP port to communicate on
# xdmcp-key = Authentication key to use for XDM-AUTHENTICATION-1 (stored in keys.conf)
# unity-compositor-command = Unity compositor command to run (can also contain arguments e.g. unity-system-compositor -special-option)
# unity-compositor-timeout = Number of seconds to wait for compositor to start
# greeter-session = Session to load for greeter
greeter-hide-users = False
# greeter-allow-guest = True if the greeter should show a guest login option
# greeter-show-manual-login = True if the greeter should offer a manual login option
# greeter-show-remote-login = True if the greeter should offer a remote login option
# user-session = Session to load for users
# allow-guest = True if guest login is allowed
# guest-session = Session to load for guests (overrides user-session)
# session-wrapper = Wrapper script to run session with
# greeter-wrapper = Wrapper script to run greeter with
# guest-wrapper = Wrapper script to run guest sessions with
# display-setup-script = Script to run when starting a greeter session (runs as root)
# display-stopped-script = Script to run after stopping the display server (runs as root)
# greeter-setup-script = Script to run when starting a greeter (runs as root)
# session-setup-script = Script to run when starting a user session (runs as root)
# session-cleanup-script = Script to run when quitting a user session (runs as root)
# autologin-guest = True to log in as guest by default
# autologin-user = wendelladmin
# autologin-user-timeout = 60
# autologin-session = Session to load for automatic login (overrides user-session)
# autologin-in-background = True if autologin session should not be immediately activated
# exit-on-failure = True if the daemon should exit if this seat fails
#
[SeatDefaults]
#type=xlocal
#xdg-seat=seat0
#xserver-command=X
#xserver-layout=
#xserver-config=
#xserver-allow-tcp=false
#xserver-share=true
#xserver-hostname=
#xserver-display-number=
#xdmcp-manager=
#xdmcp-port=177
#xdmcp-key=
#unity-compositor-command=unity-system-compositor
#unity-compositor-timeout=60
#greeter-session=example-gtk-gnome
greeter-hide-users=false
#greeter-allow-guest=true
#greeter-show-manual-login=false
#greeter-show-remote-login=true
#user-session=default
#allow-guest=true
#guest-session=
#session-wrapper=lightdm-session
#greeter-wrapper=
#guest-wrapper=
#display-setup-script=
#display-stopped-script=
#greeter-setup-script=
#session-setup-script=
#session-cleanup-script=/etc/lightdm/restart
#autologin-guest=false
#autologin-user=
autologin-user-timeout=30
#autologin-in-background=false
#autologin-session=UNIMPLEMENTED
#exit-on-failure=false
#
# Seat configuration
#
# Each seat must start with "Seat:".
# Uses settings from [SeatDefaults], any of these can be overriden by setting them in this section.
#
#[Seat:0]
#
# XDMCP Server configuration
#
# enabled = True if XDMCP connections should be allowed
# port = UDP/IP port to listen for connections on
# key = Authentication key to use for XDM-AUTHENTICATION-1 or blank to not use authentication (stored in keys.conf)
#
# The authentication key is a 56 bit DES key specified in hex as 0xnnnnnnnnnnnnnn. Alternatively
# it can be a word and the first 7 characters are used as the key.
#
#autologin-user=ub140464-192-168-1-32
autologin-user=catalog
[XDMCPServer]
#enabled=false
#port=177
#key=
#
# VNC Server configuration
#
# enabled = True if VNC connections should be allowed
# command = Command to run Xvnc server with
# port = TCP/IP port to listen for connections on
# width = Width of display to use
# height = Height of display to use
# depth = Color depth of display to use
#
[VNCServer]
#enabled=false
#command=Xvnc
#port=5900
#width=1024
#height=768
#depth=8
-------------- next part --------------
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.10.1, UID=0 PID=1956
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.00s] DEBUG: Registered seat module surfaceflinger
[+0.04s] DEBUG: Adding default seat
[+0.04s] DEBUG: Seat: Starting
[+0.04s] DEBUG: Seat: Creating greeter session
[+0.05s] DEBUG: Seat: Creating display server of type x
[+0.06s] DEBUG: Using VT 7
[+0.06s] DEBUG: Seat: Starting local X display on VT 7
[+0.06s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.06s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.06s] DEBUG: DisplayServer x-0: Launching X Server
[+0.07s] DEBUG: Launching process 1965: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.07s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.07s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.07s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+5.38s] DEBUG: Loading users from org.freedesktop.Accounts
[+5.38s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+5.54s] DEBUG: User /org/freedesktop/Accounts/User2021 added
[+5.83s] DEBUG: User /org/freedesktop/Accounts/User1013 added
[+6.25s] DEBUG: User /org/freedesktop/Accounts/User1011 added
[+6.42s] DEBUG: User /org/freedesktop/Accounts/User1021 added
[+6.70s] DEBUG: User /org/freedesktop/Accounts/User1012 added
[+7.09s] DEBUG: User /org/freedesktop/Accounts/User1014 added
[+7.37s] DEBUG: User /org/freedesktop/Accounts/User2020 added
[+7.77s] DEBUG: User /org/freedesktop/Accounts/User1015 added
[+8.07s] DEBUG: User /org/freedesktop/Accounts/User1002 added
[+8.24s] DEBUG: User /org/freedesktop/Accounts/User1018 added
[+8.62s] DEBUG: User /org/freedesktop/Accounts/User2003 added
[+8.87s] DEBUG: User /org/freedesktop/Accounts/User1003 added
[+9.05s] DEBUG: User /org/freedesktop/Accounts/User1017 added
[+9.19s] DEBUG: User /org/freedesktop/Accounts/User1022 added
[+9.37s] DEBUG: User /org/freedesktop/Accounts/User1019 added
[+9.56s] DEBUG: User /org/freedesktop/Accounts/User1004 added
[+9.74s] DEBUG: User /org/freedesktop/Accounts/User2050 added
[+10.09s] DEBUG: User /org/freedesktop/Accounts/User1016 added
[+10.52s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+10.60s] DEBUG: Got signal 10 from process 1965
[+10.60s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+10.60s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+10.64s] DEBUG: Seat: Display server ready, starting session authentication
[+10.64s] DEBUG: Session pid=2124: Started with service 'lightdm-greeter', username 'lightdm'
[+13.88s] DEBUG: Session pid=2124: Authentication complete with return value 0: Success
[+13.88s] DEBUG: Seat: Session authenticated, running command
[+13.88s] DEBUG: Session pid=2124: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+13.88s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+13.88s] DEBUG: Session pid=2124: Logging to /var/log/lightdm/x-0-greeter.log
[+13.98s] DEBUG: Activating VT 7
[+13.98s] DEBUG: Activating login1 session /org/freedesktop/login1/session/c1
[+18.00s] DEBUG: Session pid=2124: Greeter connected version=1.10.1
[+62.38s] DEBUG: Session pid=2124: Greeter start authentication for heller
[+62.38s] DEBUG: Session pid=2377: Started with service 'lightdm', username 'heller'
[+62.47s] DEBUG: Session pid=2124: Greeter start authentication for catalog
[+62.47s] DEBUG: Session pid=2377: Sending SIGTERM
[+62.47s] DEBUG: Session pid=2385: Started with service 'lightdm-autologin', username 'catalog'
[+62.47s] DEBUG: Session pid=2377: Terminated with signal 15
[+62.47s] DEBUG: Session: Failed during authentication
[+62.47s] DEBUG: Seat: Session stopped
[+70.85s] DEBUG: Session pid=2385: Authentication complete with return value 0: Success
[+70.85s] DEBUG: Session pid=2124: Authenticate result for user catalog: Success
[+70.85s] DEBUG: Session pid=2124: User catalog authorized
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